86460709 has 2 divisors, whose sum is σ = 86460710. Its totient is φ = 86460708.

The previous prime is 86460701. The next prime is 86460713. The reversal of 86460709 is 90706468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58476609 + 27984100 = 7647^2 + 5290^2 .

It is a cyclic number.

It is not a de Polignac number, because 86460709 - 2³ = 86460701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86460701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43230354 + 43230355.

It is an arithmetic number, because the mean of its divisors is an integer number (43230355).

Almost surely, 2^86460709 is an apocalyptic number.

It is an amenable number.

86460709 is a deficient number, since it is larger than the sum of its proper divisors (1).

86460709 is an equidigital number, since it uses as much as digits as its factorization.

86460709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 86460709 is about 9298.4250817007. The cubic root of 86460709 is about 442.1872990522.

The spelling of 86460709 in words is "eighty-six million, four hundred sixty thousand, seven hundred nine".